bindiego

Highlight duplicated lines in Vim

:syn clear Repeat | g/^\(.*\)\n\ze\%(.*\n\)*\1$/exe 'syn match Repeat "^' . escape(getline('.'), '".\^$*[]') . '$"' | nohlsearch

bindiego

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0

bindiego

server {
  listen 80;
  # server_name _;

  # ssl_protocols TLSv1.2;

  charset utf-8;

  location /hc {
      access_log /var/log/nginx/health-check-access.log;

bindiego

CPU monitoring

5 seconds average, threshold: 90%

#!/bin/bash

CPU=$(sar 1 5 | grep "Average" | sed 's/^.* //')
CPU=$( printf "%.0f" $CPU )

bindiego

Elasticsearch Shards Management

Elasticsearch 分片管理

Before you start, curl with credentials 如果需要认证，就使用--user参数就好了

curl --user username:password -XPUT 'localhost:9200/myindex'

bindiego

Add images to Gist 添加图片到Gist

1. Create your Gist with some contents, e.g. readme.md file

2. Clone locally

# with ssh
git clone [email protected]:<hash>.git mygist

bindiego

bindiego

-- get number of events for each
SELECT 
  event_dim.name,
  COUNT(event_dim.name) as event_count 
FROM
  [firebase-analytics-sample-data:android_dataset.app_events_20200101]
GROUP BY 
  event_dim.name
ORDER BY 
  event_count DESC

bindiego

# get service external ip address
EXTERNAL_IP=$(kubectl get svc <service_name> -o yaml | grep ip | awk -F": " '{print $NF}')

bindiego

Suppose you already have your java development environment ready

Get the source code

git clone https://github.com/apache/parquet-mr.git

Build it

cd parquet-mr/parquet-tools/ && mvn clean package -Plocal